There are many good tips and tricks web videos for both photographic and post-production topics, often intended for beginners or advanced amateurs. Here's one of many:
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Learn how to take and edit digital photographs using visual tutorials that emphasize concept over procedure, independent of specific digital camera or lens.
Darren Rowse and his contacts in the world of photography provide invaluable advice on shooting, processing, and advice on cameras and equipment. The site is ad supported and tries to market down-loadable and print materials for further instruction.